Hook



FIG. 1 is a perspective view of a hook showing my new design;

FIG. 2 is a front view thereof, a rear view being a mirror image to the front view thereof;

FIG. 3 is a right side view thereof, a left side view being a mirror image to the right side view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a cross-sectional view thereof along the line 6-6 in FIG. 2. 

CLAIM The ornamental design for a hook, as shown and described. 